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LC 발전 고진법을 이용한 매입형 영구자석 동기 전동기의 파라미터 계산
장익상(Ik-Sang Jang),김승주(Jin Seung Joo),진창성(Chang Sung Jin),이주(Ju Lee) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.4
Interior Permanent Magnet Synchronous Motor (IPMSM) produces two kind of torque that Magnetic and Reluctance torque. The permanent magnet linkage flux Ψ<SUB>a</SUB> and d-axis and q-axis inductances have an important influence on the torque characteristic of IPMSM. Thus their accurate prediction is essential for predicting performance aspect such as the torque and flux-weakening capabilities. In this paper, L<SUB>d</SUB>, L<SUB>q</SUB> is calculated by LC resonance method with FEM. The results are validated by comparison the L<SUB>d</SUB>, L<SUB>q</SUB> calculated by another method.
전기스쿠터용 IPMSM의 집중권 분포권에 따른 운전특성 및 효율 비교
장익상(Ik-Sang Jang),김원호(Won-Ho Kim),배재남(Jae-Nam Bae),진창성(Chang-Sung Jin),이주(Ju Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
In response to the Green Growth, interest of the traction motor is increasing. As Traction Motosr Require wide operation range and high torque density, IPMSMs are suitable for traction applications. In this paper, performance comparison between concentric and distribute winding, with same constraint and requirement.
PHEV용 IPMSM의 권선에 따른 고조파 특성에 관한 연구
장익상(Ik-Sang Jang),이기덕(Ki-Doek Kim),김미정(Mi-Jung Kim),손병욱(Byoung-Ook Son),방기창(Ki-Chang Bang),이주(Ju Lee) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Interior permanent magnet synchronous motors(IPMSMs) produce not only the magnetic torque, but also the reluctance torque, which is due to the difference between the d-axis and q-axis inductance, by geometrical rotor structure. Therefore, using flux-weakening control, IPMSMs can be driven at higher speed than surface mount permanent magnet synchronous motors(SPMSMs). As Traction Motors Require wide operation range and high torque density, IPMSMs are suitable for traction applications. In this paper, efficiency and characteristics are compared with concentric and distribute winding.
HEV용 IPMSM의 집중권 분포권에 따른 특성 및 효율 비교
장익상(Ik-Sang Jang),김원호(Won-Ho Kim),배재남(Jae-Nam Bae),진창성(Chang-Sung Jin),이주(Ju Lee) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Interior permanent magnet synchronous motors(IPMSMs) produce not only the magnetic torque, but also the reluctance torque, which is due to the difference between the d-axis and q-axis inductance , by geometrical rotor structure. Therefore, using flux-weakening control, IPMSMs can be driven at higher speed than surface mount permanent magnet synchronous motors(SPMSMs). As Traction Motosr Require wide operation range and high torque density, IPMSMs are suitable for traction applications. In this paper, efficiency and characteristics are compared with concentric and distribute winding.
배리어 길이에 따른 매입형 영구자석 동기전동기의 Ld, Lq 파라미터 특성에 관한 연구
장익상(Ik-Sang Jang),김승주(Seung-Joo Kim),진창성(Chang-Sung Jin),김기찬(Ki-Chan Kim),이주(Ju Lee) 대한전기학회 2009 전기학회논문지 Vol.58 No.3
Interior Permanent Magnet Synchronous Motor (IPMSM) produces two kind of torque that Magnetic and Reluctance torque. The permanent magnet linkage flux ψa and d-axis and q-axis inductances have an important influence on the torque characteristic of IPMSM. Thus their accurate prediction is essential for predicting performance aspect such as the torque and flux-weakening capabilities. In this paper, the influence of barrier width on the ψa and Ld, Lq is calculated by FEM analysis. Predictions are validated by comparison the average torques, using Maxwell Stress Tensor method.
전기자전거용 DC 구동 IPM 전동기 설계 및 약계자 제어에 관한 연구
진창성(Chang-Sung Jin),장익상(Ik-Sang Jang),배재남(Jae-Nam Bae),김원호(Won-Ho Kim),유진승(Jin-Seoung Lyu),윤시형(Si-Hyung Yun),이주(Ju Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
영구자석 모터를 구동하는 방법에는 크게 DC (Direct Current) 구동과 AC (Alternating Current) 구동으로 나눌 수 있는데 본 논문에서는 DC 구동과 AC 구동에 따라 IPMSM (Interior Permanent Magnet Synchronous Motor) 모터의 설계 방법을 연구하고 설계의 차이점을 분석하였고 또한 유한요소법 해석을 통해 특성을 분석하였다. 본 논문에서는 DC 구동 IPM의 약계자 제어에 관해 연구하고 설계된 모터를 제작하여 이를 실제 제어에 적용하여 검증하였다. Drive method of permanent magnet motor can be largely divided into two types. One is DC (Direct Current) drive and the other is AC (Alternating Current) drive. This paper deals with study on design of IPMSM (Interior Permanent Magnet Synchronous Motor) considering drive methods, and analysis differences of design and characteristics using finite element method. Besides, this paper proposes field weakening control method for DC drive IPM and verifies this method through experimental results.
설악산 식물군락 유기물층의 화분 (花粉) 분석학적 연구
강상준(Sang Joon Kang),장익상(Ik Sang Chang),이창석(Chang Seok Lee) 한국식물학회 1987 Journal of Plant Biology Vol.30 No.4
A pollen analytical study was carried out on the accumulated humus samples collected from 27 sites under the different plant communities of Mt. Seolag. These pollen spectra were then compared with the actual vegetation. The aboreal pollen(AP) and non-aboreal pollen(NAP) were 1 Family 25 Genus and 5 Family 5 Genus, respectively. Among the aboreal pollen identified, the pollen of Pinus, Quercus, Betula and Acer were appeared in abundance and the coniferous pollen of Pinus was occupied at least 20%-65% through all the sites studied. The pollens of Abies, Betula, Acer, Quercus, Carpinus, Corylus, Fraxinus, Styrax, Prunus and Ericaceae were in accordance with the present vegetation but the other pollens were inconsistent with the actual vegetation. It suggests that it was caused by the differences of vertical transport, production, dispersion of pollens, and others. The altitudinal difference between Wehscolag and Namseolag of subalpine zone in Mt. Seolag was 200 m by pollen spectra. Quercus was distributed at the lower part of Namseolag and the subalpine boreal elements were increased with increasing altitudes. The pollen spectra of each site was put together into 5 groups of pollen assemblage by cluster analysis and the community coefficient (CC) was over 60% between all sites studied.
김원호(Won-Ho Kim),배재남(Jae-Nam Bae),장익상(Ik-Sang Jang),진창성(Chang-Sung Jin),이주(Ju Lee) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Recently, a hybrid electric vehicle has attracted public attention, so it emphasizes the necessity of traction motor with a high input current and wide driving range. Among them, various researches have been regarding IPMSM with high power density and mechanical solidity. This paper supposes the calculation of the specification for HMMWV traction motor, design process of the IPMSM. Finally, it verifies the validity of simulation through tests.